On Wed, Sep 27, 2017 at 07:23:48PM -0300, Mauro Carvalho Chehab wrote:
> As both vdev-centric and MC-centric devices may implement the
> same APIs, we need a flag to allow userspace to distinguish
> between them.
>
> Signed-off-by: Mauro Carvalho Chehab
Acked-by: Sakari Ailus
--
Sakari Ailus
On Wed, Sep 27, 2017 at 07:23:49PM -0300, Mauro Carvalho Chehab wrote:
> The documentation doesn't mention if vdev-centric hardware
> control would have subdev API or not.
>
> Add a notice about that, reflecting the current status, where
> three drivers use it, in order to support some subdev-spec
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Hi Wenyou,
On Thu, Sep 28, 2017 at 04:18:26PM +0800, Wenyou Yang wrote:
> To meet the relationship, enable the HCLOCK and ispck during the
> device probe, "isc_pck frequency is less than or equal to isc_ispck,
> and isc_ispck is greater than or equal to HCLOCK."
> Meanwhile, call the pm_runtime_en
Hi Rob,
On Tue, Sep 19, 2017 at 03:00:11PM -0500, Rob Herring wrote:
> On Mon, Sep 18, 2017 at 4:56 PM, Sakari Ailus
> wrote:
> > Hi Rob,
> >
> >
> > Rob Herring wrote:
> >>
> >> On Mon, Sep 11, 2017 at 11:00:04AM +0300, Sakari Ailus wrote:
> >>>
> >>> Document optional lens-focus and flash prope
Hi Mauro,
this 'else' addition seems a bit spooky to me. As I commented in patch 09/13
may it helps when you look at
https://github.com/return42/linuxdoc/blob/master/linuxdoc/kernel_doc.py#L2499
which is IMO a bit more clear.
-- Markus --
> Am 27.09.2017 um 23:10 schrieb Mauro Carvalho Cheh
Hi Mauro,
> Am 27.09.2017 um 23:10 schrieb Mauro Carvalho Chehab
> :
>
>
>
> diff --git a/Documentation/doc-guide/kernel-doc.rst
> b/Documentation/doc-guide/kernel-doc.rst
> index 96012f9e314d..9e63a18cceea 100644
> --- a/Documentation/doc-guide/kernel-doc.rst
> +++ b/Documentation/doc-guide/
The V4L2_BUF_TYPE_META_OUTPUT mirrors the V4L2_BUF_TYPE_META_CAPTURE with
the exception that it is an OUTPUT type. The use case for this is to pass
buffers to the device that are not image data but metadata. The formats,
just as the metadata capture formats, are typically device specific and
highly
Hi folks,
Here's a second non-RFC version of the META_OUTPUT buffer type patches.
The V4L2_BUF_TYPE_META_OUTPUT buffer type complements the metadata buffer
types support for OUTPUT buffers, capture being already supported. This is
intended for similar cases than V4L2_BUF_TYPE_META_CAPTURE but for
Document the interface for metadata output, including
V4L2_BUF_TYPE_META_OUTPUT buffer type and V4L2_CAP_META_OUTPUT capability
bits.
Signed-off-by: Sakari Ailus
Acked-by: Hans Verkuil
Reviewed-by: Tomasz Figa
Tested-by: Tian Shu Qiu
---
Documentation/media/uapi/v4l/buffer.rst | 3 +
On Tue, 26 Sep 2017 17:29:47 -0300
Mauro Carvalho Chehab wrote:
> This patch actually need a fixup, in order to handle pointer,
> array and bitmask IDs.
Can you send a new series with the fixed patch?
I sure do like the shrinking of kernel-doc that comes with this series!
Thanks,
jon
On Thu, Sep 28, 2017 at 6:09 AM, Andrey Ryabinin
wrote:
> On 09/27/2017 04:26 PM, Arnd Bergmann wrote:
>> On Tue, Sep 26, 2017 at 9:49 AM, Andrey Ryabinin
>> wrote:
>> --- a/include/linux/string.h
>> +++ b/include/linux/string.h
>> @@ -227,7 +227,7 @@ static inline const char *kbasename(const ch
Hi Mauro,
On Wed, Sep 27, 2017 at 06:46:56PM -0300, Mauro Carvalho Chehab wrote:
> The V4L2_ASYNC_MATCH_FWNODE match criteria requires just one
> struct to be filled (struct fwnode_handle). The V4L2_ASYNC_MATCH_DEVNAME
> match criteria requires just a device name.
>
> So, it doesn't make sense to
On 09/27/2017 04:26 PM, Arnd Bergmann wrote:
> On Tue, Sep 26, 2017 at 9:49 AM, Andrey Ryabinin
> wrote:
>>
>>
>> On 09/26/2017 09:47 AM, Arnd Bergmann wrote:
>>> On Mon, Sep 25, 2017 at 11:32 PM, Arnd Bergmann wrote:
>
>>> + ret = __builtin_strlen(q);
>>
>>
>> I think this is not correct.
We can remove the check for if "state->cec_adap" is NULL. The
cec_allocate_adapter() function never returns NULL and also we verified
that "state->cec_adap" is an error pointer.
Signed-off-by: Dan Carpenter
diff --git a/drivers/media/i2c/tc358743.c b/drivers/media/i2c/tc358743.c
index e1d8eef70
On 09/28/2017 02:53 PM, Mauro Carvalho Chehab wrote:
> (Resending for Mauro, while dropping the non-list recipients. The original
> likely had too many recipients.)
>
> The V4L2_ASYNC_MATCH_FWNODE match criteria requires just one
> struct to be filled (struct fwnode_handle). The V4L2_ASYNC_MATCH_D
Hi Mauro,
On Wed, Sep 27, 2017 at 06:46:56PM -0300, Mauro Carvalho Chehab wrote:
> The V4L2_ASYNC_MATCH_FWNODE match criteria requires just one
> struct to be filled (struct fwnode_handle). The V4L2_ASYNC_MATCH_DEVNAME
> match criteria requires just a device name.
>
> So, it doesn't make sense to
(Resending for Mauro, while dropping the non-list recipients. The original
likely had too many recipients.)
The V4L2_ASYNC_MATCH_FWNODE match criteria requires just one
struct to be filled (struct fwnode_handle). The V4L2_ASYNC_MATCH_DEVNAME
match criteria requires just a device name.
So, it does
Hi Mauro,
On Wed, Sep 27, 2017 at 06:46:43PM -0300, Mauro Carvalho Chehab wrote:
> This patch series is meant to improve V4L documentation. It touches
> some files at the tree doing some cleanup, in order to simplify
> the source code.
>
> Mauro Carvalho Chehab (17):
> media: tuner-types: add k
Hi Mauro,
On Wed, Sep 27, 2017 at 06:46:50PM -0300, Mauro Carvalho Chehab wrote:
> Both v4l2-event.rst and v4l2-event.h have an overview of
> events, but there are some inconsistencies there:
>
> - at v4l2-event, the event's ringbuffer is called kevent. Its
s/ringbuffer/ring buffer/g
With that,
Hi Mauro,
Thanks for the patch.
On Wed, Sep 27, 2017 at 06:46:55PM -0300, Mauro Carvalho Chehab wrote:
> Now that kernel-doc handles nested unions, better document the
> bus union at struct v4l2_fwnode_endpoint.
>
> Signed-off-by: Mauro Carvalho Chehab
> ---
> include/media/v4l2-fwnode.h | 13
Add generic support for jobs in videobuf2. When the jobs API is active,
the passing of buffers to the driver is delayed until their job is
submitted. Drivers need to call the vb2_queue_active_job_buffers()
function in order to receive the buffers corresponding to the active
job.
Signed-off-by: Ale
Add core support code for jobs API. This manages the life cycle of jobs
and creation of a jobs queue, as well as the interface for job states.
It also exposes the user-space jobs API.
Signed-off-by: Alexandre Courbot
---
drivers/media/v4l2-core/Makefile| 3 +-
drivers/media/v4l2-c
Add a generic state handler that records controls to be set for a given
job and applies them once the job is scheduled, while also allowing said
controls to be read back once the job is dequeued.
This implementation can be used as-is for most drivers, with only drivers
with specific needs needing
Add generic support for jobs in the control framework by handling the
new V4L2_CTRL_WHICH_*JOB_VAL which values. This calls the state handler
callbacks in such a case and takes care of control management for
drivers with jobs API support.
Note: this is a very simple and naive way to manage control
Add support for jobs in vim2m, using the generic state handler.
Signed-off-by: Alexandre Courbot
---
drivers/media/platform/vim2m.c | 24
1 file changed, 24 insertions(+)
diff --git a/drivers/media/platform/vim2m.c b/drivers/media/platform/vim2m.c
index 970b9b6dab25..af
Still a work-in-progress, but hopefully conveys the general idea.
Signed-off-by: Alexandre Courbot
---
Documentation/media/intro.rst | 2 +
Documentation/media/media_uapi.rst | 1 +
Documentation/media/uapi/jobs/jobs-api.rst | 23 +++
Documentati
Add a v4l2_mem_ctx_job_init() function that drivers using m2m can call
at init time in order to set the state handler.
Also make sure to call v4l2_jobqueue_job_finish() when the jobs API is
used and all buffers for the current job have been processed.
Signed-off-by: Alexandre Courbot
---
driver
Add a function that checks whether a given open file is a v4l2 device
instance. This will be useful for job queue creation as we are passed a
set of FDs and we need to make this check.
Signed-off-by: Alexandre Courbot
---
drivers/media/v4l2-core/v4l2-dev.c | 6 ++
include/media/v4l2-dev.h
Add support for jobs in the vivid capture device, using the generic
state handler.
Signed-off-by: Alexandre Courbot
---
drivers/media/platform/vivid/vivid-core.c| 16
drivers/media/platform/vivid/vivid-core.h| 2 ++
drivers/media/platform/vivid/vivid-kthread-cap
Hi everyone,
Here is a new attempt at the "request" (which I propose to rename "jobs") API
for V4L2, hopefully in a manner that can converge to something that will be
merged. The core ideas should be easy to grasp for those familiar with the
previous attemps, yet there are a few important differen
On 09/27/2017 11:46 PM, Mauro Carvalho Chehab wrote:
> The V4L2_ASYNC_MATCH_FWNODE match criteria requires just one
> struct to be filled (struct fwnode_handle). The V4L2_ASYNC_MATCH_DEVNAME
> match criteria requires just a device name.
>
> So, it doesn't make sense to enclose those into structs,
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To improve the readability of code, split the format array into two,
one for the format description, other for the register configuration.
Meanwhile, add the flag member to indicate the format can be achieved
from the sensor or be produced by the controller, and rename members
related to the regist
Add the spin lock for the clock enable and disable operations.
Signed-off-by: Wenyou Yang
---
Changes in v3:
- Fix the wrong used spinlock.
- s/_/- on the subject.
Changes in v2: None
drivers/media/platform/atmel/atmel-isc.c | 15 ++-
1 file changed, 14 insertions(+), 1 deletion
Remove the memeber *config from the isc_subdev_entity struct,
the member is useless afterward.
Signed-off-by: Wenyou Yang
---
Changes in v3: None
Changes in v2: None
drivers/media/platform/atmel/atmel-isc.c | 10 ++
1 file changed, 2 insertions(+), 8 deletions(-)
diff --git a/drivers/
To meet the relationship, enable the HCLOCK and ispck during the
device probe, "isc_pck frequency is less than or equal to isc_ispck,
and isc_ispck is greater than or equal to HCLOCK."
Meanwhile, call the pm_runtime_enable() in the right place.
Signed-off-by: Wenyou Yang
---
Changes in v3: None
A software write operation to the ISC_CLKEN or ISC_CLKDIS register
requires double clock domain synchronization and is not permitted
when the ISC_SR.SIP is asserted. So add the .prepare and .unprepare
ops to make sure the ISC_CLKSR.SIP is unasserted before the write
operation to the ISC_CLKEN or IS
To improve the readability of code, rework the format list table,
split the format array into two. Meanwhile, fix the issue of the
clock provider operation.
Changes in v3:
- Fix the wrong used spinlock.
- s/_/- on the subject.
- Add a new flag for Raw Bayer format to remove MAX_RAW_FMT_INDEX de
Hi Leon,
On Wed, Sep 27, 2017 at 11:48:21PM -0700, Leon Luo wrote:
> Hi Sakari,
>
> Thanks for your comments.
>
> Regarding imx274_tp_regs[], the first value is the test pattern mode, which
> will be updated according to the input value before writing the register.
> So it can't be a const.
In
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